高中大学英语语法--被动语态

North Korea Fuels Rocket
North Korea fueled up a rocket Wednesday in preparation for an imminent launch. North Korea named Kim Jong Un the Worker’s Party top official and gave his late father the title of “Eternal General Secretary.” Chief of Command, Paek Chang Ho, said the rocket is ready for liftoff as soon as he gives the green light to the engineers. The rocket launch has raised tensions internationally.
• When the agent (doer) is unimportant
– Gas prices were raised again last week.
• To be discreet or tactful by not naming the agent
– The keys were misplaced again!
Passive Voice
Simple Past Active Passive
• I walked the dogs. • Millions of people watched the Super Bowl. • People wrote many letters to the President.
2. In all Perfect tenses and Perfect Modals use the Past Participle form of “Be” which is “been”
• • Ex: Gifts have been given out already. Ex: My sister should have been told about the party.
Passive Voice
Simple Present Active Passive
• I walk the dogs everyday. • Millions of people watch the Super Bowl. • People write many letters to the President.
Tornado Rips Through Oklahoma – Kills 5 people
A tornado ripped through a northwestern Oklahoma town Saturday. The tornado killed at least 5 people. The tornado killed a man and his two daughters: ages 5 & 7. The tornado destroyed the trailer park where they lived. The other victims were another man and his 10 year-old daughter who lived in a town about 2 miles away. And a helicopter flew another man to a nearby hospital in Texas.
Recent News
Rewrite the news story using the passive voice or active voice where appropriate
Apple Fights Back Against Virus
Think your Apple computer is immune? Think different. A nasty malware called Flashback has infected approximately 600,000 Macintosh computers worldwide. It used a Java security flaw. Apple is hard at work on a fix, the company said Tuesday. The company said that Apple is developing software that will detect and remove the Flashback malware.
Apple Fights Back Against Virus
Think your Apple computer is immune? Think different. Approximately 600,000 Macintosh computers worldwide have been infected by a nasty malware called Flashback. A Java security flaw was used by the virus. Apple is hard at work on a fix, the company said Tuesday. Software that will detect and remove the Flashback malware is being developed by Apple.
North Korea Fuels Rocket
North Korea fueled up a rocket Wednesday in preparation for an imminent launch. Kim Jong Un was named the Worker’s Party top official and his late father was given the title of “Eternal General Secretary.” Chief of Command, Paek Chang Ho, said the rocket is ready for liftoff as soon as the green light is given. International tensions have been raised.
Passive Voice
Structure
• There are two main rules to all Passive Voice forms
1. Add the verb “Be” in the same tense as the sentence in its active voice form 2. Use the Past Participle form of the main verb
Active or Passive?
Tell whether the sentence is Active or Passive
• A number of horses had been stolen by thieves. • The fire burned the house to the ground. • The kidnappers stole John’s baby. • Everyone received presents at the party.. • You shouldn’t have been stressed out by this quiz.
• The dogs are walked everyday. • The Super Bowl is watched by millions of people. • Many letters a来自百度文库e written to the President.
Passive Voice
Present Continuous Active Passive
• There are two additional rules for the Passive Voice
1. In Continuous/Progressive tense sentences add the continuous form of “Be” which is “being ”
• Ex: More homes are being built this year.
• The dogs should be walked everyday. • The Super Bowl should have been watched by more people. • Letters should be written to the President.
Ready to put it into practice?
• I’ve walked the dogs already. • Millions of people have watched the Super Bowl. • People have written many letters to the President.
• The dogs have been walked already. • The Super Bowl has been watched by millions of people. • Many letters have been written to the President.
• The dogs were walked. • The Super Bowl was watched by millions of people. • Many letters were written to the President.
Passive Voice
Present Perfect Active Passive
Passive Voice
Lesson 3 – Level 4
Passive Voice
Why use the Passive?
• To emphasize the object or party receiving the action
– Rebekah was selected for a free gift.
Passive Voice
Modals Active Passive
• I should walk the dogs everyday. • More people should have watched the Super Bowl. • People should write letters to the President.
• To emphasize the action instead of the actor
– Our car was repaired by our neighbor.
• When the agent (doer) is unknown
– Her house was broken into last night.
Active or Passive?
Tell whether the sentence is Active or Passive
• • • • • •
The man was hunted by the police. The great battle was fought in 1814. The soft grass cushioned my fall. The doughnuts were made by the new baker. A car ran over my cat. The clown’s funny antics reduced us to laughter!
• I am walking the dogs. • Millions of people are watching the Super Bowl. • People are writing many letters to the President.
• The dogs are being walked. • The Super Bowl is being watched by millions of people. • Many letters are being written to the President.